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Hardened steel Jaw Bushings for forklift, earthmover, excavator, conveyor chain, digger, bulldozer & backhoe, 50CrV4 / AISI6150

SBWS series
Tension Bushings with

Wave-shaped Slot 
(Metric Size)

 

       

      

Spring steel split bushings, tension spring bushing with split & split tension bushings,
hardened steel AISI6150, 51CrV4, 50CrVA

SINOBRONZE manufactures spring steel bushings with standard AISI6150 (ASTM A29), 50CrV4 (DIN1.8159), SUP 10 (JIS G4801), 50CrVA (GB/T 3077), as well as 65Mn (GB/T 1222-2007) hardened spring steels with higher wear resistance. Those spring bushings are also with surface treatment by zinc coating, phosphating or bonderizing to guarantee bushings’ higher corrosion resistance, etc.
In principle, SINOBRONZE Jaw Bushes are performed without lubrication. However, special requires let those bushings have grease grooves, or even oil holes, since lubrication and higher precision can improve those bushings’ working life, and reduce working noise at the same time. Easy replacement is a big advantage, too!


Material Features
•  SinoBronze hardened steel bearings deliver greater wear resistance while the interior
    remains ductile and resistant to cracking;
•  Appropriate for heavy equipment, hydraulic cushioning and rotational applications;
•  Special alloy contains manganese and vanadium for improved strength and toughness,   
    increased hardening rate and higher wear resistance.
       

Cross Reference of AISI6150, 50CrV4, SUP10, 50CrVA, 65Mn Spring Steel

Country USA BS Japan China China
Standard ASTM A29 EN 10083 JIS G4801 GB/T 3077 GB/T 1222-2007
Grades AISI 6150 1.8159/50CrV4 SUP 10 50CrVA 65Mn


Chemical Composition (%) of AISI6150, 50CrV4, SUP10, 50CrVA, 65Mn Spring Steel

Standard Grade C Mn P S Si Cr V
ASTM A29 AISI 6150 0.48-0.53 0.70-0.90 0.035 0.04 0.15-0.35 0.80-1.10 ≥0.15
EN 10083 51CrV4 (1.8159) 0.47-0.55 0.70-1.10 0.025 0.025 ≦0.40 0.90-1.20 0.10-0.25
JIS G4801 SUP 10 0.47-0.55 0.65-0.95 0.03 0.03 0.15-0.35 0.80-1.10 0.15-0.25
GB/T 3077 50CrVA 0.47-0.54 0.50-0.80 0.03 0.03 0.17-0.37 0.80-1.10 0.10-0.20
GB/T 1222-2007 65Mn 0.62-0.70 0.90-1.20 ≤ 0.035 ≤ 0.035 0.17-0.37 0.25 max /

Typical Applications

The product is widely used in the following fields:
  Spring bushings for door hinge;
  Tension bushings for forklift;
  Tension bushings for earthmover;
  Tension bushings for excavator;
  Tension bushings for excavator shovel with discharge plate;
  Tension bushings for conveyor chain;
  Tension bushings for chain through conveyor;
  Tension bushings for Digger;
  Tension bushings for Bulldozer;
  Tension bushings for Backhoe.
 

Standard Metric Sizes



 * Note - Bearing forms made to order: bearings with various lubrication grooves, non-standard parts. 


SinoBronze Standard Packaging of Bushings

 


Picutures of Sinobronze Customized Slotted Tension Bushings & Split Spring Bushings

Slotted Tension Bush
an
d
Hardened Steel Jaw Bush
Straight Split Spring Bush 
and 
Wave-Slotted Bush
Slotted Spring Bush 
and 
Tension Bush with split
Slotted Tension Bushing
with 

51CrV4 (1.8159) Spring Steel
65Mn Spring Bush for Door Hinges, 
Surface with Blackening or Zinc-plating
Spring Steel Bushing 
with AISI6150 Spring Steel
Surface with Phosphate Coating
Spring Steel Tension Bushing 
with SUP 10 Spring Steel,
Surface with Blackening
Split Hardened Steel Bushing 
with 50CrVA Spring Steel,
Customized Production on Request
Jaw Bush of 
Hardened Spring Steel 

50CrV4 (1.8159)
Jaw Bush
Bucket Bush with Spring Steel
51CrV4 (1.8159)
Internal Tension Bush with Wavy Slot
CK67 Spring Steel
DIN 17222 (AISI 1070-1095)
Various Special Configuration
Tension Bushes 
with AISI420, AISI302 & AISI304 steel alloy
Wavy Slot Jaw Bushing
with 
AISI6150 Steel 
Surface Phosphate Coating or Zinc-plating

Tension Bush with Straight Slot 
for Internal or External Application, 
with AISI420, AISI302 & AISI304 steel alloy 

Spring Bush with Straight Split 
for Internal or External Application, 
with AISI420, AISI302 & AISI304 steel alloy 
Internal Tension Bush with Arrow Slot,
CK67 Spring Steel,
AISI420, AISI302 & AISI304 Stainless Steel
   
Tension Bush with "V"-shaped Split,
Made in CK67 Spring Steel,
or AISI420, AISI302 & AISI304 Stainless Steel
Tension Bush with Arrow Slot,
with 51CrV4 (1.8159) Spring Steel,
Surface with Zinc-Coating